LCD Display USB Tester Charger Detector Digital Voltmeter Amperemeter Voltage Meter DC4-30V (Black) Characteristic: 1. Support fast charging 3.0 2. This USB tester has the ability to measure voltage and current 3. With intelligent memory charging capacity, 9 data sets can be saved 4. It can be stored even in the event of a power failure, so that data is not easily lost. 5. LCD display can provide clear data. Specification: Features: 1. Support fast charging 3.0 2. This USB tester has the ability to measure voltage and current 3. With intelligent memory charging capacity, 9 data sets can be saved 4. It can be stored even in the event of a power failure, so that data is not easily lost. 5. LCD display can provide clear data Specification: Voltage Range: DC4-30V Current Range: 0-6,5A MAh: 0-999999mAh Milliliters: 0-999999mWh Time: 0-99 hours Power: 0-200 W Internal resistance charging: 0 to 999,9 ohms Grouping: Groups 1-9 Internal temperature: 0-80 Optional Color: White, Black Size: approx. 5,7 * 2,5 * 1,2 cm / 2,2 * 1 * 0,5 inch List of packages: 1 * USB Tester Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.